<template>
    <div class="icons">
      <swiper :options="swiperOption">
       <swiper-slide v-for="(page,index) of pages" :key="index">
      <div class="icon"
            v-for="item of page"
            :key="item.id"
            >
        <div class="icon-img">
        <img class="icon-img-content" :src="item.imgUrl">
        </div>
        <p class="icon-desc">{{item.desc}}</p>
      </div>
       </swiper-slide>
      </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcon',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        return pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang='stylus' scoped>
  @import "~@/assets/styles/varibles.styl";
  @import "~@/assets/styles/mixins.styl";
  .icons >>> .swiper-container{
    width: 100%;
    overflow: hidden;
    height: 0;
    padding-bottom: 50%;
  }
  .icons{
    margin-top: .1rem;
  }
  .icon{
    position: relative;
    overflow: hidden;
    width: 25%;
    float:left;
    height: 0;
    padding-bottom: 25%;
  }
  .icon-img{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: .2rem;
    box-sizing: border-box;
    padding: .1rem;
  }
  .icon-img-content{
    display: block;
    margin: 0 auto;
    height:100%;
  }
  .icon-desc{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: .44rem;
    line-height: .44rem;
    color: $darkTextColor;
    text-align: center;
    ellipsis()
  }
</style>
